The head of the Environmental Protection Agency has expressed doubts over the cause and impact of climate change, but he's willing to hear scientists debate the threat -- and wants millions of people to tune in.

In an interview Monday with Reuters, EPA chief Scott Pruitt said he wants to see "questions that have not been asked and answered" in a "robust discussion" by scientists. He'd also be willing to have the debate be televised.

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"I think so. I think so. I mean, I don’t know yet, but you want this to be open to the world," he said. "You want this to be on full display. I think the American people would be very interested in consuming that. I think they deserve it."

Pruitt framed the idea as a chance for scientists who say humans are the primary cause of warming to prove their point on a larger stage. His inspiration is the "red team-blue team" approach used by the national security community to debate ideas.

"If you’re going to win and if you’re so certain about it, come and do your deal," he said. "They shouldn’t be scared of the debate and discussion."

A former Oklahoma attorney general who was more known for suing the EPA before being tapped by President Donald Trump to lead the agency, Pruitt faced a tough confirmation process over his climate skepticism. In his first months on the job, he's led the push to roll back several Obama-era regulations on fossil fuels and supported the White House's decision to pull the U.S. from the Paris Climate Agreement.

"We have nothing to be apologetic about," Pruitt said. "It was absolutely a decision of courage and fortitude and truly represented an America First strategy with respect to how we are leading on this issue."